The best of Hacker News - July 25, 2025

1.
There is no memory safety without thread safety

312 points

2.
AMD CEO sees chips from TSMC's US plant costing 5%-20% more

302 points

3.
Visa and Mastercard: The global payment duopoly (2024)

286 points

4.
Graphene OS: a security-enhanced Android build

274 points

5.
I wasted weeks hand optimizing assembly because I benchmarked on random data

268 points

6.
Scientists may have found a way to eliminate chromosome linked to Down syndrome

254 points

7.
PSA: SQLite WAL checksums fail silently and may lose data

252 points

8.
Use Your Type System

249 points

9.
Open Source Maintenance Fee

244 points

10.
Vet is a safety net for the curl | bash pattern

187 points

11.
Air Force unit suspends use of Sig Sauer pistol after shooting death of airman

146 points

12.
Covers as a way of learning music and code

145 points

13.
Positron – A next-generation data science IDE

144 points

14.
Inter-Planetary Network Special Interest Group

127 points

15.
New Aarch64 Back End

88 points

16.
Revisiting Moneyball

80 points

17.
A GPU Calculator That Helps Calculate What GPU to Use

60 points

18.
Asciinema: Record and share your terminal sessions

46 points

19.
RE#: High performance derivative-based regular expression matching (2024)

33 points

20.
Modernish – A library for writing programs for POSIX-based shells and utilities

14 points

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